What is the purpose of control intervals in vsam?
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Explain the function of the relative record data set?
What is an RBA in rrds? What does it do? What is it used for?
is it slower if you access a record through alternative index as compared to primary index?
By looking into the Jcl can we identify the dataset is VSAM?
5 Answers Cognizant, Keane India Ltd,
what will happen when you try to open an empty vsam file in a cobol program for input?
What do you mean by RDW in VSAM?
what is the difference between vsam and dataset how do u create vsam dataset which file you r used?
Explain the catalog?
What is the purpose of idcams?
what is freespace
Suppose 3 generations of a GDG exist. How would you reference the 1st generation in the JCL?
what's the biggest disadvantage of using a VSAM dataset?
8 Answers Anjana, CTS, DSRC, IBM,